CVE-2022-50512
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-03-17

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4_fc_record_regions() As krealloc may return NULL, in this case 'state->fc_regions' may not be freed by krealloc, but 'state->fc_regions' already set NULL. Then will lead to 'state->fc_regions' memory leak.
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Meta Information
Published
2025-10-07
Last Modified
2026-03-17
Generated
2026-05-07
AI Q&A
2025-10-07
EPSS Evaluated
2026-05-05
NVD
CVE-2022-50512
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a potential memory leak in the Linux kernel's ext4 filesystem code, specifically in the function ext4_fc_record_regions(). The issue arises because the krealloc function may return NULL, and if that happens, the memory pointed to by state->fc_regions may not be freed properly, even though state->fc_regions is set to NULL. This leads to a memory leak.


How can this vulnerability impact me? :

The impact of this vulnerability is a potential memory leak in the Linux kernel, which could lead to increased memory usage over time and possibly degrade system performance or stability if exploited or triggered repeatedly.


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